2006 Opel Signum emission

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Condition	Value

expand_moreDiesel exhaust gas values

expand_moreCut-off control speed


1.9 CDTI with diesel straight-4 1.9 L 118 HP engine (2005.8–)	4900–5180 rpm4900–5180 rpm4900–5180 rpm
2.2 DTI 16V with diesel straight-4 2.2 L 115 HP at 4000 RPM, 270 N⋅m at 1500 RPM engine (2003.5–2008.6)	4800–5100 rpm4800–5100 rpm4800–5100 rpm
All other modifications	4900–5100 rpm4900–5100 rpm4900–5100 rpm


Diesel conditioning gas injections	5

expand_moreDiesel conditioning speed


1.9 CDTI with diesel straight-4 1.9 L 118 HP engine (2005.8–)	5100 rpm5100 rpm5100 rpm

expand_moreMaximum K-value


1.9 CDTI with diesel straight-4 1.9 L 118 HP engine (2005.8–)	1.3 1/m1.3 1/m1.3 1/m
2.0 DTI with diesel straight-4 2.0 L 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM engine (2003.5–)	1.5 1/m1.5 1/m1.5 1/m
2.2 DTI 16V with diesel straight-4 2.2 L 115 HP at 4000 RPM, 270 N⋅m at 1500 RPM engine (2003.5–2008.6)	1.9 1/m1.9 1/m1.9 1/m
2.2 DTI with diesel straight-4 2.2 L 123 HP engine (2003.5–)	1.6 1/m1.6 1/m1.6 1/m
3.0 V6 CDTI with diesel V6 3.0 L 174 HP at 4000 RPM, 350 N⋅m at 1800 RPM engine (2003.5–)	1.4 1/m1.4 1/m1.4 1/m
3.0 V6 CDTI with diesel V6 3.0 L 181 HP engine (2005.9–)	0.5 1/m0.5 1/m0.5 1/m

expand_moreMinimum coolant temperature at AU


3.0 V6 CDTI with diesel V6 3.0 L 181 HP engine (2005.9–)	140°F140°F60°C

expand_moreGeneral exhaust gas values


Diagnostic socket location	The diagnostic socket is located in the central panel under the ashtray.
Exhaust gas recirculation (EGR)	Yes

expand_moreIdling speed with automatic gearbox


Opel diesel straight-4 2.2 L Y 22 DTR 123 HP	750–950 rpm750–950 rpm750–950 rpm
Opel gasoline straight-4 2.2 L Z 22 YH 153 HP	630–850 rpm630–850 rpm630–850 rpm
Opel diesel V6 3.0 L Y 30 DT 174 HP at 4000 RPM, 350 N⋅m at 1800 RPM	630–730 rpm630–730 rpm630–730 rpm
Opel gasoline V6 3.2 L Z 32 SE 208 HP	580–800 rpm580–800 rpm580–800 rpm
Opel gasoline V6 2.8 L Z 28 NEL 227 HP	600–950 rpm600–950 rpm600–950 rpm

expand_moreIdling speed with manual gearbox


Opel diesel straight-4 2.2 L Y 22 DTR 115 HP at 4000 RPM, 270 N⋅m at 1500 RPM	720–880 rpm720–880 rpm720–880 rpm
Opel gasoline straight-4 1.8 L Z 18 XE 121 HP at 6000 RPM, 165 N⋅m at 4600 RPM	620–850 rpm620–850 rpm620–850 rpm
Opel diesel straight-4 2.2 L Y 22 DTR 123 HP	750–950 rpm750–950 rpm750–950 rpm
Opel gasoline straight-4 2.2 L Z 22 YH 153 HP	630–850 rpm630–850 rpm630–850 rpm
Opel gasoline straight-4 2.0 L Z 20 NET 173 HP at 5500 RPM, 265 N⋅m at 2500 RPM	750–900 rpm750–900 rpm750–900 rpm
Opel diesel V6 3.0 L Y 30 DT 174 HP at 4000 RPM, 350 N⋅m at 1800 RPM	630–730 rpm630–730 rpm630–730 rpm
Opel gasoline V6 3.2 L Z 32 SE 208 HP	580–800 rpm580–800 rpm580–800 rpm
Opel gasoline V6 2.8 L Z 28 NEL 227 HP	600–950 rpm600–950 rpm600–950 rpm
Opel diesel straight-4 2.0 L Y 20 DTH 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM	750–950 rpm750–950 rpm750–950 rpm

expand_moreMinimum engine oil temperature at VET


All Opel gasoline V6 2.8 L Z 28 NEL engines	140°F140°F60°C
All other modifications	176°F176°F80°C

expand_morePetrol exhaust gas values


CO content at idling speed	0–0.5 %0–0.5 %0–0.5 %

expand_moreCO content at increased idling speed


All Opel gasoline straight-4 1.8 L Z 18 XER engines	0.2 %0.2 %0.2 %
All Opel gasoline V6 2.8 L Z 28 NEL engines	0.2 %0.2 %0.2 %
All Opel gasoline V6 2.8 L Z 28 NET engines	0.2 %0.2 %0.2 %
All other modifications	0.3 %0.3 %0.3 %


Increased idling speed	2800–3200 rpm2800–3200 rpm2800–3200 rpm
Lambda sensor design	Jump type lambda sensor
Lambda value	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Petrol conditioning time	30 s30 s30 s

expand_moreTest speed for lambda sensor signal


All Opel gasoline straight-4 1.8 L Z 18 XE engines	620–850 rpm620–850 rpm620–850 rpm
All Opel gasoline straight-4 2.0 L Z 20 NET engines	680–900 rpm680–900 rpm680–900 rpm
All Opel gasoline straight-4 2.2 L Z 22 YH engines	680–900 rpm680–900 rpm680–900 rpm
All Opel gasoline V6 3.2 L Z 32 SE engines	680–900 rpm680–900 rpm680–900 rpm
All other modifications	600–950 rpm600–950 rpm600–950 rpm

expand_moreVoltage swing at test speed


All Opel gasoline straight-4 1.8 L Z 18 XER engines	0.3 V0.3 V0.3 V
More than
All Opel gasoline V6 2.8 L Z 28 NEL engines	0.3 V0.3 V0.3 V
All Opel gasoline V6 2.8 L Z 28 NET engines	0.3 V0.3 V0.3 V
All other modifications	0.3–0.6 V0.3–0.6 V0.3–0.6 V

To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Opel.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2006 Opel Signum user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Opel warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Opel Signum service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2006 Opel Signum you're not only saving money, but also also improving your technical skills and learning something new.

2006 Opel Signum A2 Emission

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Conquer your fears and never give up!

Opel Signum A2 model years

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